[jira] [Created] (TAJO-885) Selecting few columns from table with GROUP BY/LIMIT query crashes

["Prafulla T (JIRA)" <ji...@apache.org>]

Prafulla T created TAJO-885:
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             Summary: Selecting few columns from table with GROUP BY/LIMIT query crashes
                 Key: TAJO-885
                 URL: https://issues.apache.org/jira/browse/TAJO-885
             Project: Tajo
          Issue Type: Bug
            Reporter: Prafulla T


Prepare query as described in TAJO-443
Run following query to reproduce problem

default> select id from table1 group by id;
Progress: 50%, response time: 0.392 sec
ERROR: 1
java.lang.ArrayIndexOutOfBoundsException: 1
	at org.apache.tajo.util.BitArray.fromByteBuffer(BitArray.java:84)
	at org.apache.tajo.storage.RawFile$RawFileScanner.next(RawFile.java:243)
	at org.apache.tajo.engine.planner.physical.SeqScanExec.next(SeqScanExec.java:252)
	at org.apache.tajo.engine.planner.physical.HashAggregateExec.compute(HashAggregateExec.java:51)
	at org.apache.tajo.engine.planner.physical.HashAggregateExec.next(HashAggregateExec.java:87)
	at org.apache.tajo.engine.planner.physical.StoreTableExec.next(StoreTableExec.java:77)
	at org.apache.tajo.worker.Task.run(Task.java:388)
	at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:406)
	at java.lang.Thread.run(Thread.java:724)


Following query works fine.
default> select id from table1;
Progress: 100%, response time: 0.096 sec
id
-------------------------------
2
2
2
2




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